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Frequency Power Spectrum of Stellar Light Variations

Frequency Power Spectrum of Stellar Light Variations


Date: 03 May 2007
Satellite: CoRoT
Depicts: Light variation power spectrum for frequencies 1.5 - 2 mHz
Copyright: CoRoT asteroseismological team

This plot shows the power spectrum in arbitrary units (P) as a function of frequency (f), for the light curve of a solar type star (see related images). The spectral analysis of the light curve, reveals small periodic components in the expected domain from 1.5 to 2 mHz. These periods, corresponding to modes of oscillation of the star will be studied and interpreted to understand the star's internal structure and determine its age.
Last Update: 1 September 2019
7-Dec-2021 18:30 UT

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